diff --git a/packages/rml/rml.1.08.04/opam b/packages/rml/rml.1.08.04/opam
index 54efb13f7f3..c71decd8f1e 100644
--- a/packages/rml/rml.1.08.04/opam
+++ b/packages/rml/rml.1.08.04/opam
@@ -23,3 +23,4 @@ url {
     "md5=00a7a14f24a7640089f78ad52f532002"
   ]
 }
+available: false
diff --git a/packages/rml/rml.1.08.05/opam b/packages/rml/rml.1.08.05/opam
index d7e00fc4b95..fdfacd110a3 100644
--- a/packages/rml/rml.1.08.05/opam
+++ b/packages/rml/rml.1.08.05/opam
@@ -30,3 +30,4 @@ url {
     "md5=6c41f9d5458d1032a0ed7712b95d1f21"
   ]
 }
+available: false
diff --git a/packages/rml/rml.1.08.06/opam b/packages/rml/rml.1.08.06/opam
index 9e3589f93a7..a9ebb7849be 100644
--- a/packages/rml/rml.1.08.06/opam
+++ b/packages/rml/rml.1.08.06/opam
@@ -30,3 +30,4 @@ url {
     "md5=cd657e07d27cdc67fd5ed051d60b712c"
   ]
 }
+available: false
diff --git a/packages/rml/rml.1.09.00/opam b/packages/rml/rml.1.09.00/opam
index 73393bdde4a..5abd0819029 100644
--- a/packages/rml/rml.1.09.00/opam
+++ b/packages/rml/rml.1.09.00/opam
@@ -8,7 +8,7 @@ build: [
 remove: [[make "uninstall"]]
 depends: ["ocaml" "ocamlfind" "ocamlbuild" "num"]
 install: [make "install"]
-available: [ os != "linux" ]
+available: [ os != "linux" & false ]
 synopsis:
   "ReactiveML: a programming language for implementing interactive systems."
 description: """
diff --git a/packages/rml/rml.1.09.01/opam b/packages/rml/rml.1.09.01/opam
index 1ad8e1caee0..085f786a75e 100644
--- a/packages/rml/rml.1.09.01/opam
+++ b/packages/rml/rml.1.09.01/opam
@@ -8,7 +8,7 @@ build: [
 remove: [[make "uninstall"]]
 depends: ["ocaml" "ocamlfind" "ocamlbuild" "num"]
 install: [make "install"]
-available: [ os != "linux" ]
+available: [ os != "linux" & false ]
 synopsis:
   "ReactiveML: a programming language for implementing interactive systems."
 description: """
diff --git a/packages/rml/rml.1.09.02/opam b/packages/rml/rml.1.09.02/opam
index 0b52f565385..698a1639295 100644
--- a/packages/rml/rml.1.09.02/opam
+++ b/packages/rml/rml.1.09.02/opam
@@ -10,7 +10,7 @@ remove: [
 ]
 depends: ["ocaml" "ocamlfind" "ocamlbuild" "num"]
 install: [make "install"]
-available: [ os != "linux" ]
+available: [ os != "linux" & false ]
 synopsis:
   "ReactiveML: a programming language for implementing interactive systems."
 description: """
diff --git a/packages/rml/rml.1.09.03/opam b/packages/rml/rml.1.09.03/opam
index 384beea2f92..3a095e78df7 100644
--- a/packages/rml/rml.1.09.03/opam
+++ b/packages/rml/rml.1.09.03/opam
@@ -11,7 +11,7 @@ remove: [
 ]
 depends: ["ocaml" "ocamlbuild" "num"]
 install: [make "install"]
-available: [ os != "linux" ]
+available: [ os != "linux" & false ]
 synopsis:
   "ReactiveML: a programming language for implementing interactive systems."
 description: """
diff --git a/packages/rml/rml.1.09.04/opam b/packages/rml/rml.1.09.04/opam
index 58bcb4f7c24..1eb5b63330e 100644
--- a/packages/rml/rml.1.09.04/opam
+++ b/packages/rml/rml.1.09.04/opam
@@ -35,3 +35,4 @@ url {
     "md5=ae95d5367ed8524b0161b11bbef83e60"
   ]
 }
+available: false
diff --git a/packages/rml/rml.1.09.05/opam b/packages/rml/rml.1.09.05/opam
index 0b43c669708..7d3953e1df1 100644
--- a/packages/rml/rml.1.09.05/opam
+++ b/packages/rml/rml.1.09.05/opam
@@ -35,3 +35,4 @@ url {
     "md5=55b0603d353f833254faa9721c9d2db6"
   ]
 }
+available: false
diff --git a/packages/rml/rml.1.09.06/opam b/packages/rml/rml.1.09.06/opam
index 547b32d7c40..20790bb5b9c 100644
--- a/packages/rml/rml.1.09.06/opam
+++ b/packages/rml/rml.1.09.06/opam
@@ -30,3 +30,4 @@ url {
     "md5=af5bfc1f6bd75e528f2ff7793e34284c"
   ]
 }
+available: false
diff --git a/packages/rml/rml.1.09.07/opam b/packages/rml/rml.1.09.07/opam
index 957b50ea8c5..c22abce7f50 100644
--- a/packages/rml/rml.1.09.07/opam
+++ b/packages/rml/rml.1.09.07/opam
@@ -32,4 +32,5 @@ url {
     "sha256=74acc5319df33b4694d6894b0b8023c1ce3f8f0749c6f4dc587a42c102d809b0"
     "md5=4fc5ca8f941f6a7f060fb9252389b8b4"
   ]
-}
\ No newline at end of file
+}
+available: false